OT-2026-000004195
Publication integrity record
Porous face vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure verified
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004195) never changes.
Identity and time
| Publication number | OT-2026-000004195 · never reused |
|---|---|
| Internal UUID | 01a0a911-3af3-773b-8800-053d89617e7d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:33.846772Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004195 |
| Status | PUBLIC |
Content hashes
| Canonical text | 121e750ea9c6f9ebcfacc25a6ef9cb4ae578977d78c02e98b2fe00df3f9570a6 |
|---|---|
| Markdown | 6d7806ca568d0f0e58915944ee0091e7cd9efda605da70e0e5a58a1753968ae7 |
| Publication page | efde8fbe63b4295c39606572180dd50986fb54611558150eca67335e2c4913ae |
| Manifest | e65f83b44e5afcc64d46bc917b6e43eca0e7a4fd0bc232a1e9dce418c048f07c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | pLgsh6fXjugnP30Be7GQ65ZSbxWf808Y8iouk/Sz+bZqNM7Nmzw/MN7mRb/j/XExCickzhnjB2MUrjBT5c8UCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:25.430235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004195observed efde8fbe63b4295c39606572180dd509...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:25.413883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004195/manifest.jsonobserved e65f83b44e5afcc64d46bc917b6e43ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.398722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004195/publication.mdobserved 6d7806ca568d0f0e58915944ee0091e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.379902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004195/publication.txtobserved 121e750ea9c6f9ebcfacc25a6ef9cb4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|